21-letter words containing s, u, d, e, t, n
- rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
- s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
- saint-maur-des-fosses — a town in N central France, near Paris, on the Marne River.
- santo tome de guayana — a city in NE Venezuela, on the Orinoco River.
- school superintendent — an official whose job is to oversee school administration within a district
- sedimentary sequences — Sedimentary sequences are layers of rock which are derived from weathered rocks, biogenic (= of living organisms) activity, or precipitation from solution.
- silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
- sing a different tune — a succession of musical sounds forming an air or melody, with or without the harmony accompanying it.
- sinusoidal projection — an equal-area projection in which parallels are straight lines spaced at regular intervals, the central meridian is a straight line one-half the length of the equator, and the other meridians are curves symmetrical to the central meridian.
- sovereign wealth fund — an investment fund created using the financial assets of a national government
- statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
- steady state universe — a universe described by the steady state theory.
- student participation — the extent to which students participate or involve themselves in a class, course, etc
- suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
- sunday school teacher — someone who teaches at a Sunday school
- surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
- surface-to-underwater — (of a missile, message, etc.) traveling from the surface of the earth to a target underwater.
- take under advisement — to consider carefully
- the san andreas fault — a geological fault in California
- the slough of despond — a state of extreme despondency, depression or degradation
- the student community — the body of students in further and higher education, considered as a whole
- think outside the box — to think in a different, innovative, or original manner, esp with regard to business practices, products, systems, etc
- third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
- time and motion study — the systematic investigation and analysis of the motions and the time required to perform a specific operation or task with a view to seeking more efficient methods of production as well as setting time standards.
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to be mixed up in sth — if you are mixed up in something, usually something bad, you are involved in it
- to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
- trades union congress — The Trades Union Congress in Britain is the same as the TUC.
- transcendental number — a number that is not a root of any algebraic equation having integral coefficients, as π or e .
- turn queen's evidence — (of an accomplice) to act as witness for the prosecution and testify against those associated with him or her in crime
- turn state's evidence — If someone who is accused of a crime turns state's evidence, they agree to give evidence in a law court against another person such as a former accomplice, usually in exchange for a reduced sentence for themselves.
- under one's own steam — If you do something under your own steam, you do it without any help from anyone else.
- universal disk format — (storage, standard) (UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams. To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support. UDF can also be used by CD-R and CD-RW recorders in packet writing mode.
- university of iceland — (body, education) The Home of Fjolnir.
- ventriloquist's dummy — a puppet which is operated by a ventriloquist and made to appear to talk
- when the dust settles — If you say that something will happen when the dust settles, you mean that a situation will be clearer after it has calmed down. If you let the dust settle before doing something, you let a situation calm down before you try to do anything else.
- xeroderma pigmentosum — a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.